Is intermittent fasting helpful for losing weight and staying healthy?

More and more Americans are showing interest in the fasting. Why is it becoming so popular?
2:11 | 02/22/20

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Transcript for Is intermittent fasting helpful for losing weight and staying healthy?
Welcome back to "Gma." In today's "Weekend download" more and more Americans are showing interest in intermittent fasting as a way of losing weight and staying healthy. Joining us to talk about this is Dr. Jen Ashton. Always a pleasure to see you. Good to see you, whit. This diet trend has really taken off. Why do you think it's becoming so popular? Well, you know, whit, we see and hear so much about on trend diets and phases. There is really good medical and nutritional science data behind this concept of intermittent fasting. Basically it involves a period of anywhere from 12 to 16 hours of fasting. I like to also call it time restricted eating so a lot of people will eat between the hours of let's say 12 noon and 8:00 P.M. And I think the reason it's become so popular, it doesn't require people to change what they eat or how much they eat, only when they eat. So independent of weight loss, it's a very effective and safe way to eat and popular for good reason. Yeah, and that's part of the appeal to so many. Dr. Ashton, we also like to point out that you have a degree in nutrition as well. Yeah. What are the physical benefits of this and who should definitely not be doing it? Very important question, whit. So, again, there is a lot of data that supports its benefits and that includes improving your glucose metabolism, reducing inflammation, improving your lipid profile and improving lipid kind of metabolism as well as insulin resistance. People who should avoid this obviously pregnant women, people with certain types of diabetes, or who have or have had an eating disorder, or teenagers. This is not for them but, again, along with things like mediterranean diet, plant-based diet, intermittent fasting has sound data behind it. For someone who's not ready to commit to this intermittent fasting, though, what are some other eating approaches that could have similar benefits? Put a lot of color on your plate, fruits, vegetables, fish, poultry, eggs and occasional meat or glass of wine. All right, thank you so much. Appreciate it as always, Jen. And be right back here with

This transcript has been automatically generated and may not be 100% accurate.

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